HP StorageWorks MSA1510i HP StorageWorks 1510i Modular Smart Array installatio - Page 53

Table 3 Levels of protection against power failure, Connection method, Level of protection

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Table 3 Levels of protection against power failure Connection method Level of protection MSA1510i power supplies connected to: Protects you from downtime when one of the MSA1510i power supplies fails. • One power source The remaining power supply/fan module can operate the MSA1510i until a replacement module is installed. MSA1510i power supplies connected to: Protects you from downtime when one of the MSA1510i power supplies fails. • Two separate power sources Protects you from data loss when one of your power sources fails due to a pulled cable, tripped breaker. The remaining power source can power the MSA1510i until the failed power source is restored or relocated. Depending on the cause and duration of the power outage, you can use this time to properly shut down your storage subsystem MSA1510i power supplies connected to: Protects you from downtime when one of the MSA1510i power supplies fails. • Two UPSs • Two separate power sources Protects you from data loss when one or both of your power sources fails due to a pulled cable, tripped breaker, or local power outage. The remaining power source or the UPS powers the MSA1510i until power is restored to the source. Depending on the cause and duration of the power outage, you can use this time to properly shut down your storage subsystem. WARNING! To reduce the risk of electric shock or damage to the equipment: • Do not disable the power cord grounding plug. The grounding plug is an important safety feature. • Plug the power cord into a grounded (earthed) electrical outlet that is easily accessible at all times. • Route the power cord so that it is not likely to be walked on or pinched by items placed upon it or against it. Pay particular attention to the plug, electrical outlet, and the point where the cord is attached to the device. • Unplug the power cord from the power supply to remove power from the equipment. newpage pi 1510i Modular Smart Array installation and user guide 53

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Table 3 Levels of protection against power failure
Connection method
Level of protection
MSA1510i power supplies connected to:
Protects you from downtime when one of the
MSA1510i power supplies fails.
•
One power source
The remaining power supply/fan module can operate
the MSA1510i until a replacement module is installed.
MSA1510i power supplies connected to:
Protects you from downtime when one of the
MSA1510i power supplies fails.
•
Two separate power sources
Protects you from data loss when one of your power
sources fails due to a pulled cable, tripped breaker.
The remaining power source can power the MSA1510i
until the failed power source is restored or relocated.
Depending on the cause and duration of the power
outage, you can use this time to properly shut down
your storage subsystem
MSA1510i power supplies connected to:
Protects you from downtime when one of the
MSA1510i power supplies fails.
•
Two UPSs
•
Two separate power sources
Protects you from data loss when one or both of your
power sources fails due to a pulled cable, tripped
breaker, or local power outage.
The remaining power source or the UPS powers
the MSA1510i until power is restored to the source.
Depending on the cause and duration of the power
outage, you can use this time to properly shut down
your storage subsystem.
WARNING!
To reduce the risk of electric shock or damage to the equipment:
•
Do not disable the power cord grounding plug. The grounding plug is an important safety feature.
•
Plug the power cord into a grounded (earthed) electrical outlet that is easily accessible at all times.
•
Route the power cord so that it is not likely to be walked on or pinched by items placed upon it or
against it. Pay particular attention to the plug, electrical outlet, and the point where the cord is
attached to the device.
•
Unplug the power cord from the power supply to remove power from the equipment.
newpage pi
1510i Modular Smart Array installation and user guide
53